Home / 88,185.46-121,689.66-49,948.87

Finding the Fourth Proportional to 88,185.46, 121,689.66 and 49,948.87

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Solution

The fourth proportional to 88,185.46, 121,689.66 and 49,948.87 is: 68,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,185.46 : 121,689.66 = 49,948.87 : x
  2. Step 2: Convert to fraction form
    88,185.46/121,689.66 = 49,948.87/x
  3. Step 3: Cross multiply
    88,185.46x = 121,689.66 × 49,948.87
  4. Step 4: Simplify right side
    88,185.46x = 6,078,261,007.68
  5. Step 5: Solve for x
    x = 6,078,261,007.68/88,185.46
  6. Step 6: Final answer
    x = 68,925.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.